DrJackson's Research Has Found That the Correlation Between IQ and Head

Multiple Choice

Dr.Jackson's research has found that the correlation between IQ and head circumference is +.10.From this information,we can conclude that:

A) people with large heads have a higher IQ than people with smaller heads.
B) there is a weak relationship between head size and IQ.
C) people with small heads tend to have a higher IQ than people with large heads.
D) head circumference is an important predictor of IQ.